This battery adapter compatible Makita Battery to Ryobi Battery, Convert Makita 18V Battery to Ryobi 18V Tool Use. Compatible with compatible Ryobi One+ 18V tools Series P7131, P340, P208, P236, P601, P135, P515, P505, P731 etc. Convert Makita 18V battery Replace Ryobi P104 P105 P102 P103 P107 P108 batteries. MT20RNL battery adapter converts compatible Makita 18v Lithium batteries to Ryobi 18v One+ Plus Lithium Batteries, use compatible Ryobi 18 Volt cordless power tools. Work great as Ryobi 18v One+ original Lithium Battery, same as the function & compatibility. And lets you enjoy the benefits of extended operating time of lithium-ion batteries on existing 18V tools. Compatible compatible Makita 18V lithium BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815 etc. and fit compatible Ryobi 18V ONE+ System Cordless Power Tools. This battery adapter built-in high intelligent Protection chips against potential damage caused by over-charging, over-discharging, over-voltage, over-current,short-circuit. fire-resistant construction, ensure complete protection compatible your home and your devices. Specification: Color: green Material: ABS And ! Type:Battery Convertor Adapter Model:MT20RNL Rated voltage:18 V Rated current:3 A Compatible compatible RYOBI 18V CORDLESS PLUG TOOLS. Package Contents: 1 x MT20RNL Battery Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.